Question

6. For what values of k, the given quadratic equation 9x2 + 6kx + 4 = 0 has equal roots ?​

Answer 1

9x²+6kx+ 4=0

given equal roots

b²-4ac = 0

0= (6k)²-4(9)(4)0=36k²-144

144/36 =k²

k=2

k= +2,-2

hope it helps you have a good day ☺

Answer 2

Hope the attachment helped you out!